PIK-90 is a potent and cell permeable inhibitor of p110α, p110β, p110γ and p110δ with IC50 of 11 nM, 350 nM, 18 nM and 58 nM, respectively.

PIK-294 is a highly selective p110δ inhibitor with IC50 of 10 nM, 1000-, 49- and 16-fold less potent to PI3Kα/β/γ, respectively.

Pifithrin-μ is a specific p53 inhibitor by reducing its affinity to Bcl-xL and Bcl-2, and also inhibits HSP70 function and autophagy.

Pifithrin-α is an inhibitor of p53, inhibiting p53-dependent transactivation of p53-responsive genes.

Picropodophyllin (PPP) is a selective IGF-1R inhibitor with IC50 of 1 nM.

Pibrentasvir is a novel and pan-genotypic hepatitis C virus (HCV) NS5A inhibitor with EC50s ranging from 1.4 to 5.0 pM against HCV replicons containing NS5A from genotypes 1 to 6.

PI3K-IN-2 is a PI3K inhibitor, inhibits pPKB and pS6 with "++++/+++(+)" in A2058 melanoma cell.

PI-1840 is a potent and selective inhibitor for chymotrypsin-like (CT-L) (IC50 value = 27 ± 0.14 nM) over trypsin-like and peptidylglutamyl peptide hydrolyzing (IC50 values >100 μM) activities of the proteasome.

PHTPP is a pyrazolo[1,5-α]pyrimidine-based ligand that acts as a full antagonist of estrogen ERβ receptors with 36-fold selectivity over ERα.

PHT-427 is a dual Akt and PDPK1 inhibitor (high affinity binding for the PH domains of Akt and PDPK1) with Ki of 2.7 μM and 5.2 μM, respectively.

PHA-848125(Milciclib) is a potent, ATP-competitive CDK inhibitor for CDK2 with IC50 of 45 nM; >3-fold more selective for CDK2 than CDK1, 2, 4, 5, and 7.

PHA-793887 is a novel and potent inhibitor of CDK2, CDK5 and CDK7 with IC50 of 8 nM, 5 nM and 10 nM, respectively.

PHA-767491 (CAY10572) is a potent, ATP-competitive dual Cdc7/Cdk9 inhibitor with IC50 values of 10/34 nM.

PHA-680632 is potent inhibitor of Aurora A, Aurora B and Aurora C with IC50 of 27 nM, 135 nM and 120 nM, respectively. It has 10- to 200-fold higher IC50 for FGFR1, FLT3, LCK, PLK1, STLK2, and VEGFR2/3.

PHA-665752 is a potent, selective and ATP-competitive c-Met inhibitor with IC50 of 9 nM, >50-fold selectivity for c-Met than RTKs or STKs.

PH-797804 is a potent and selective p38 inhibitor with IC50 of 26 nM.

PH-002 is a small-molecule structure corrector,inhibitor of apolipoprotein (apo) E4 intramolecular domain interaction,a potent candidate drug for the treament of AD(Alzheimer disease)

PGN-9856 (PGN9856) is a novel potent, selective prostaglandin EP2 receptor agonist with pKi of > 8.3, shows higi selectivity over EP1 , EP3 , EP4 , DP, FP, IP and TP receptors; displays a potency (pEC50 >8.5) and a maximal response (increase in cAMP) comp

PFK-158 is a potent and selective inhibitor of PFKFB3 that is currently being investigated in a phase I study in patients with advanced solid malignancies.

PFK-015 is an effective inhibitor of PFKFB3 with IC50 of 110 nM (recombinant PFKFB3) and inhibits PFKFB3 activity in cancer cells with IC50 of 20 nM.

PFI-3 is a novel potent, selective and cell permeable inhibitor of SMARCA4 and PB1(5) bromodomains with IC50 ~ 89 nM and 48 nM respectively.

PFI-2 is a novel potent and selective SETD7 histone lysine methyltransferase inhibitor with IC50 ~2 nM. It has > 100-fold selectivity over other methyltransferases and other non-epigenetic targets.

PF-CBP1 is potent and highly-selective inhibitor of the bromodomain of CREB binding protein (CBP BRD) that down regulates targets of CBP in macrophages primary neurons.

PF-9366 is a human methionine adenosyltransferase 2A (Mat2A) inhibitor, with an IC50 of 420 nM and a Kd of 170 nM.

PF-562271 is a potent, ATP-competitive, reversible inhibitor of FAK and Pyk2 with IC50 of 1.5 nM and 14 nM, respectively.

PF-543 is a novel Sphingosine kinase 1 (SphK1, SK1) inhibitor with Ki of 3.6 nM.

PF-4708671 is a novel cell-permeable inhibitor of S6K1 (p70 ribosomal S6 kinase 1), with a Ki of 20 nM and IC50 of 160 nM.

PF-4618433 shows improved PYK2 potency, reduced p38 activity, and superior overall selectivity relative to the prototype BIRB796.

PF-431396 is dual focal adhesion kinase (FAK) and proline-rich tyrosine kinase 2 (PYK2) inhibitor , PF-431396 has a Kd value of 445 nM for BRD4.

PF-429242 is a potent inhibitor of S1P(cellular proprotein convertase sterol regulatory element-binding protein (SREBP) site 1 protease)